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EN 1.4057 Stainless Steel vs. SAE-AISI 1039 Steel

Both EN 1.4057 stainless steel and SAE-AISI 1039 steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4057 stainless steel and the bottom bar is SAE-AISI 1039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
14 to 18
Fatigue Strength, MPa 320 to 430
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 580
380 to 420
Tensile Strength: Ultimate (UTS), MPa 840 to 980
610 to 690
Tensile Strength: Yield (Proof), MPa 530 to 790
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 32
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
88 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
310 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 35
22 to 24
Strength to Weight: Bending, points 26 to 28
20 to 22
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 30 to 35
19 to 22

Alloy Composition

Carbon (C), % 0.12 to 0.22
0.37 to 0.44
Chromium (Cr), % 15 to 17
0
Iron (Fe), % 77.7 to 83.4
98.5 to 98.9
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Nickel (Ni), % 1.5 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050

Comparable Variants